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Answer by Aniruddha Deb for Regioselectivity in coupling reactions of α-naphthol
The product at the para-position is more stable as it allows the compound to exist in the quinoid form, rather than only in the benzoid form:This is important as in your case, if the substituent...
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Regioselectivity in coupling reactions of α-naphthol
I have seen in the following reaction of azo coupling where coupling takes place at position 4 of $\alpha$-naphthol.Now the electron density accumulation is similar at both position $4$ as well as...
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